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CVE-2023-48697

Azure RTOS USBX Remote Code Execution Vulnerability

Published: Dec 5, 2023Updated: Oct 27, 2025 Sources: CVE List NVDCWE-476
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
1.2%
Top 36.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. An attacker can cause remote code execution due to memory buffer and pointer vulnerabilities in Azure RTOS USBX. The affected components include functions/processes in pictbridge and host class, related to PIMA, storage, CDC ACM, ECM, audio, hub in RTOS v6.2.1 and below. The fixes have been included in USBX release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS Vector Breakdown

AV:PAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-476CWE-787CWE-825

Affected Products

threadx usbxeclipseDevTools & CI
usbxazure-rtos
Embedded
Operating Systems / rtos-embedded-os
eclipseoss-projectBEDevTools & CIaka eclipse-foundation
azure-rtoscommercialOperating Systemsaka usbx, netxduo, filex

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

3 techniques
Impact
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/azure-rtos/usbx/security/advisories/GHSA-p2p9-wp2q-wjv4
github.com

Timeline

Published
Dec 5, 2023
Last Updated
Oct 27, 2025

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